Deep-well pump



W. E. ELLIS DEEP WELL PUMP Dec. 4 1923. I 1,476,444

Filed Jan. 15. 1925 WEZZZw Patented cc. 4, 1923.

U I T E D S WARREN E. ELLIS, OF LEBO, KANSAS, ABSIGNOR 0F ONE-Hi1? 0FLEBO, KANSA8.

T0 norm raarrion,

DEEP-WELL PUMP.

To all whom it may concern:

Be it known that I, WARREN E. ELLIS, a citizen of the United States,residing at Lebo, in the county of Cofi'ey and State of Kansas, haveinvented certain new and useful Improvements in Deep-Well Pumps, ofwhich the followin is a specification.

This invention re ates to a deep well pump and particularly to aconstruction embody ing a relatively fixed plunger cooperating i with atraveling barreL' In the form of deep well oil pumps generally in usepractical experience develo s a serious objection incident to thecutting of the oil as the cups upon the working valve become worn, dueto the repeated leakage of the oil past such cups in the oppositemovements of the valve. Such damage renders the oil worthless and largequantities of crude oil are thus ruined. In this rior form where theworking valve trave ed the action of the oil with the incidentally mixedsand and water quickly cut out the cups and rendered it necessary tofrequently pull the well or remove the pumping elements therefrom forreplace-' distorts and wears the cups as the oil is forced past thesame.

The resent invention avoids these difficulties by providing a relativelystationary tubular member provided with a working and standing valvewhile the traveling barrel acts as a plunger and the valve at its upperportion carries the weight of the oil. Such a structure protects thecups of the working valve by enclosin them within the barrel and as theload 1s lifted by the latter and not the on s the wear upon the cups ismaterially red uced so that replacement and repairs are seldom required.The construction also provides for the pulling or removal of all of thepumping parts at a single operation which renders the repair andreplacement quick and convenient when found necessary, while thecapacity of the pump may be readily varied or increased by lengtheningthe barrel which determines the quantity of oil to becarried at a singlestroke. 7

Other and further objects and advantages of the invention will behereinafter set forth and the novel features thereof defined by theappended claims.

In the drawing Figure 1 is an elevation showing the pump applied.

Figure 2 is an enlarged elevation, with parts in section, showing theparts in position for withdrawal.

Figure 3 is a detail sectional perspective showing the stop cap.

Figure 4 is a vertical section through the frictional holder" v Figure 5is a similar view of. the working valve upon the standard.

Like numerals refer to like parts in the several figures of the drawingsand the numeral 10 designates a well casing which may be of any desiredsize or character. At the lower portion of this casing the usualstandard barrel 11 is applied and adapted to receive the intake of thefluid from the well. Supported upon the barrel 11 is a tubular standardor member 12 which carries at its lower portion a friction holder13fitting within said barrel and at its upper portion a p-istonl i andalso a ground or check valve 15. These several parts may be of anydesired construction but the preferable form thereof is herein shown anddescribed.

In the present instance the holding member 13 is shown as of conicalconfiguration and threaded upon the lower end of the tubular standard12. The tapering face 16 of this holder is adapted to snugly fit theinterior of the barrel 11 and the upper portion of the holder isprovided with a suitable wrench hold 17. The lower portion of the holderis interiorly threaded and receives the threaded end of a guide 18. Thisguide carries a series of friction or leather rings 19 and is formedwith a wrench hold 20 at its lower end. This guide is of tubular formand snugly fits the interior of the barrel so as to increase thefrictional hold of the tapered portion and properly center the same inapplication. When the guide is firmly screwed in position the ackingface thereof will be expanded sufiiciently toeffect a tightjoint-against the walls of the barrel.

The piston 14: may be of any usual construction and is herein shown ascomprising aeseries of cups 21 separated by spacers 22 and held inposition upon the standard by clamps 23 and 24 thereon. The standingvalve is of the usual ball and seattype and is threaded at 25 upon thestandard.

Cooperating with the elements just described is a traveling barrel 26within which the piston snugly fits. This traveling barrel is providedat its upper portion with a check or working vat ve 27 of the usual balland seat form and from which the operating rod 28 extends to the upperportion of the well.

The opposite end of this traveling barrel is interiorly threaded at 29to receive a threaded stop cap 30 which is slidingly mounted upon thestandard 12. It will be seen that this cap limits the extreme upwardmovement of the barrel by engagement with the clamp 24 beneath thepiston. This engagement of the cap and clamp permits the pullin orwithdrawal of the standard together with the working barrel when it isdesired to remove these parts from the Well. This traveling barrel actsas the pumping plunger and the working valve at its upper portioncarries the lifting load of the oil which is entirely relieved from therelatively stationary working valve upon the standard. The barrel has asufliciently close fit within the casing to prevent side play whichwould effect or release the friction holding of the standard but hassufficient clearance to per- Init its ready operation and withdrawal.Furthermore, the capacity of the pump may be varied or increased blengthening the traveling barrel so that the quantity of oil received ineachstroke is greater.

The-operati'gir of this pump will be generally apparent from thedescription and it will be seen that the oil or liquid is drawn throughthe tubular standard in the upward movement of the barrel and fills thesame so that in the return downward stroke the oil is expelled from thebarrel and-lies above the working valve thereof, In the'next upwardstroke of the barrel the body of oil within the well is correspondinglylifted. In this construction the cups of the piston, which are the mostreadily damaged members of an oil pump, are fully protected by theenclosing barrel andare only subject to sufficient pressure to expel theoil within the barrel while the main lifting pressure of the reven ecolumn of oil in the well is carried by the head of the barrel. Thisinvention is readily adapted for application to wells having the usualstandard barrel as shown in this case. When such replacement is made thetraveling valve cooperating with such barrel is withdrawn and thestandard frictionally engaged with the upper end of such barrel so as tobe firmly supported against the upward pull in the pumping action. Thestructure places the weight and working load upon parts which are notsusceptible of quick deterioration so that the wear upon the pump iseffectually reduced. In the application of the pump the fixed barrel atthe end of the well tubing may be formed with an interior taper tosnugly fit the friction holder and assist in firmly retaining the sameduring the pumping action, as shown in Flgures 1 and 4.

While the specific construction of the details of this invention havebeen shown and descrlbed it is not confined thereto as changes andalterations may be made therein without departing from the spirit of thefollowing claims.

What I claim is:

1. In a pump, a tubular standard provided at its upper portion with apiston and a superposed valve, a holder comprising a coupling member forthe standard and havmg an outer tapering wall, a sleeve provided w th atool hold at one end and having its opposite end adjustably threadedinto said holder, frictional packing rings upon said sleeve between saidhold an the end of the coupling member, and a traveling plunger barrelenclosing the valve upon said standard and provided at its'upper portionwith a lifting valve.

2. In a pump, an anchor coupling comprlsing a tubular member interiorlythreaded at opposite ends and having a tapering outer wall, a sleevethreaded into said coupling and provided at its free end with a headhaving tapering outer walls and a't'ool hold, and a packing carried bysaid sleeve intermediate its head and the end of 'said coupling memberwhereby adjustment of-the sleeve effects a clamping action against saidpacking. I

I In testimony whereof Laffix my signature.

witness-r n.. arms.

